CorePad is a small but powerful text-editor with syntax-highlighting support for a dozen or more languages. With a powerful SH engine based on QSyntaxHighlighter, it renders heavy codes as large as 20k LoC and above, almost effortlessly. By default CorePad provides support for 15 common languages, namely, C, C++, CS, CSS, Desktop, Go, Html, Java, JS, MD, PHP, Python, sh and XML. And it is very easy to extend support for other languages.